Method and apparatus for transmitting and displaying information between a remote network and a local computer

ABSTRACT

Methods and apparatus are provided for selecting advertisements and other information from a computer network database based on user defined preferences and transmitting the selected advertisement in background mode over a communications link between the computer network and a local computer with minimal interference with other processes communicating over the communications link. This method includes monitoring the communications link and transmitting portions of the advertisement when the communications link line utilization is below a preestablished threshold. Methods and apparatus are also provided for displaying or otherwise presenting the selected advertisements on the user&#39;s computer. Additional methods and apparatus are provided for selecting and presenting information stored on a local storage media based on user defined preferences.

CROSS-REFERENCE TO RELATED APPLICATIONS

This is a continuation of U.S. application Ser. No. 08/517,666, filedAug. 22, 1995, which is now issued U.S. Pat. No. 5,913,040.

FIELD OF THE INVENTION

This invention relates generally to advertisement computer displaysystems and more particularly to a method and system for displayingadvertisements and other information on a computer based on general userselected criteria and transmitting such information from a remotenetwork to the local computer.

BACKGROUND OF THE PRESENT INVENTION

There are two major forms of advertising which are currently beingemployed on the Internet and commercial on-line services. One form isthe use of a small advertisement on WEB pages which are commonlyaccessed. For example, a portion of the screen display for WEB pagesused to access Internet searches may include a corporate logo or otheradvertisement material. Typical of this style of advertising is theNetscape™ Internet Browser software available from NetscapeCommunications Corporation of Mountain View Calif., which presents a boxcontaining logos for various corporations on the computer display whenthe user performs a search. This form of advertising, however, is notvery sophisticated and does not encourage user interaction.

Another form of advertising on the Internet is the creation of WEB“pages” or sites by advertisers. One variant of the use of a WEB pagedisplays advertisements in a portion of the viewing area. A secondvariant, often used by corporate or other advertisers, is the use of WEBsites which employ attractive graphics in the hope of having the userinteract with various advertising schemes. In addition, product orderingis usually available from these WEB sites. In most cases, users accessthese WEB sites by one of the following methods: knowing the Internetaddress; keyword searching; linking from a different WEB site; throughan electronic shopping mall type site; through other advertisements onthe Internet; or through the use of programs known as search browsers.

Current advertisers have attempted to improve the attractiveness ofthese WEB pages by including the use of sound, animated or rotatinglogos or pictures, and scrolling information. One system, Hot Java,available from Starwave Corp of Bellevue, Wash., supports the executionof small applications programs written in a specific programminglanguage executing within the browser on the local computer. This allowsthe WEB pages to provide richer content, such as animation or scrollingsports scores across a user's computer display, and better interactionwith users. These effects, however, are only available while the user isviewing the specific WEB page incorporating the Hot Java technology.

Despite the fast and furious growth in this advertising sector, WEBsites are still regarded as “passive” advertising used predominantly fora corporate image rather than for selling products. Specifically thefollowing drawbacks describe the current state of advertising on theInternet: transmitting the advertising information consumes a largeamount of the bandwidth of the communications link between the user'scomputer and the network; access is initiated by the user rather thanthe advertiser; the user rather than the advertiser pays for access;accessing a site is a time consuming “hit or miss” process; and theprocess may improve the corporate image but creates little productdemand.

U.S. Pat. No. 5,105,184 to Pirani et al. (“Pirani”) discloses a systemintegrating commercial advertisements with computer software. The systemdiscloses integrating commercial advertisements with different types ofscreens. Pirani, however, does not provide for any user input at thelocal computer as to the types of advertisements which are to bedisplayed. Thus, users would be forced to view numerous advertisementsof which they are likely to have no interest. This will attenuate theusers attention to the advertisements and decrease their effectiveness.

As noted above, a significant problem with current methods foradvertising on computer networks is the consumption of significantportions of the bandwidth of the communications link between the user'scomputer and the computer network. Prior systems have attempted toutilize essentially unused time in telephone networks to deliveradvertising or other information. U.S. Pat. No. 5,321,740 to Gregorek,et al. (“Gregorek”) discloses a marketing system over an existingtelephone network which modifies a portion of the call processing systemto play an informational announcement in place of the usual ringback orbusy signals. Gregorek differs from the present invention in a number ofways, including the fact that it does not provide any means forinteracting with computers over a computer network. Also, Gregorekdelivers the informational announcement only during a short splice oftime when the user is waiting for callback information.

Current file transfer protocols, such as the File Transfer Protocol(“FTP”) and the Trivial File Transfer Protocol (“TFTP”), fortransferring files from a remote network, such as the Internet, via acommunications link to a local computer are designed to transfer filesas quickly as possible. Each computer process executing such a protocolattempts to make maximum use of the available communication resources.This leads to interference and an inevitable slowing down of othercomputer processes attempting to communicate over the communicationslink. There exists a need, therefore, for a file transfer process whichis designed to behave as a background task and have a minimal impact onforeground communications.

There also exists a need to utilize the computer to display locallystored advertisements. Several software products provide “yellow pages”on CD-ROMs or other media such as floppy disks. The user may use theseyellow pages to search for products or advertisers by name ordescription. This system of advertising is limited, however, in that itrequires the user to actively search for advertisers or products andtherefore do not spontaneously display products to the user.

Microsoft Windows interface provides a rudimentary form of spontaneousadvertising by incorporating a Microsoft Windows logo as an option inits screen saver utility. This system, however, offers only a singleadvertisement in response to a user's response and therefore does notoffer a variety of periodically changed advertisement content based on auser's interests.

SUMMARY OF THE INVENTION

The object of the present invention is to provide a process fortransmitting an information file between a local computer and a remotecomputer network over a communications link with minimal interference toother processes executing on the computer which are also transmittingover the communications link.

It is a further object of the present invention to provide a method andsystem of presenting individualized advertisements and otherinformational messages on a computer by allowing a user to select from avariety of advertisement or informational categories.

It is a further object of the present invention to provide a method andsystem of downloading and presenting individualized advertisements andother informational messages from a network to a local computer from aremote network to a local computer based on a user's selection ofadvertisement or informational categories.

It is a further object of the present invention to provide such a methodand system of downloading and presenting individualized advertisementsand other informational messages from a network to a local computer withminimal interference with other data being transmitted between thenetwork and the local computer.

In one variant of the present invention, all advertisements or otherinformational messages originate on a network server which is accessedvia the Internet or alternate on-line method. Select advertisements aretransparently downloaded from the network server and stored locally onthe user's local computer using a novel type of software referred toherein as a “Polite Agent.” In a second variation, the entireadvertisement database is locally stored on the local computer or aremovable media such as CD-ROM. Manipulation and display of theadvertising message is performed by software residing on the user's PCin accordance with preconfigured user preference information.

The advertisement is preferably displayed during idle time as a screensaver utility when the computer is not receiving keyboard input orupdating the user's display. Other techniques for displaying theadvertisement, such as periodic audio-only messages, screen backgroundwallpaper, cursor modifications, and display in a window on the user'scomputer display are also available.

Users may enter their preferences by directly choosing categories ofadvertising or other informational content which most interest them orthrough interactive games and quizzes. Users may directly respond toadvertising messages by participating in contests, requesting furtherproduct information, or ordering the advertised product. Theadvertisements are made attractive to the user by employing a variety ofvideo, animation, sound or any other multimedia effects. Content may bebased on an interactive theme such as a contest or special discountoffers for on-line customers.

The system monitors the user's interaction with the advertisements andproduces raw data on how many times a particular advertisement wasaccessed as well as the user's response to advertisements. All pertinentinformation is stored and sent back to a network server where it is madeavailable to the advertisers. User requests for additional informationmay be directed to the advertiser itself or to the advertiser's WEB siteon the network.

The system further comprises the use of a background software process,the Polite Agent, for transferring information between the network andthe local computer. The Polite Agent monitors the communications linkbetween the network and the local computer and transfers small portionsof the information when the communications link utilization rate is low.In this manner the Polite Agent avoids significant interference withother communications applications transmitting over the communicationslink. The Polite Agent may also be utilized to transmit other types ofinformation content, such as news, weather, stock quotes, sports scores,software updates or trip reservation information.

BRIEF DESCRIPTION OF THE DRAWINGS

For a more complete understanding of the present invention, reference ismade to the following Detailed Description taken in conjunction with theaccompanying drawings in which:

FIG. 1 is a functional block diagram of a system architecture inaccordance with the present invention:

FIG. 2 is a functional block diagram of a local computer and its relatedcomponents in accordance with the present invention;

FIG. 3 is a functional block diagram of the software architecturecomponents of the advertising system network server in accordance withthe present invention;

FIG. 4 is a functional block diagram of the software architecturecomponents of the local computer in accordance with the presentinvention

FIG. 5 a schematic representation of an advertisement file in accordancewith the present invention;

FIG. 6 is a flowchart illustrating a method for a polite agent forcommunicating information with a remote network in accordance with thepresent invention;

FIG. 7 is a schematic representation of a job for transmitting data inaccordance with the present invention;

FIG. 8 is a flowchart illustrating a method for an advertisement displaymanager constructed in accordance with the present invention;

FIG. 9 is a flowchart illustrating a method for an advertisement feederfor downloading advertisements from a network constructed in accordancewith the present invention; and

FIG. 10 is a functional block diagram of an advertising system fordisplaying a local database of advertisements constructed in accordancewith an alternative embodiment of the present invention.

DETAILED DESCRIPTION

Preferred embodiments of the present invention will now be describedwith continued reference to the drawings.

System Architecture

1. Network Architecture

FIG. 1 shows an overall view of a preferred embodiment of the systemarchitecture. The Local Computer 500 is physically connected to theNetwork Service Provider 701 via a Communications Link 703. The NetworkService Provider 701 provides access to the Network 700. AdvertisingSystem Server 600 is one of the nodes on the Network 700.

a. Local Computer:

As shown in FIG. 2, the Local Computer 500 preferably includes a CentralProcessor 510, a Main Memory 511, an Input/Output Controller 512, aDisplay Device 513, input devices such as a Keyboard 514 and a PointingDevice 515 (e.g., mouse, track ball, pen, slide pointer or similardevice), and a Mass Storage Device 516. These components communicatethrough a system bus or similar architecture.

Additionally, the Local Computer 500 is preferably connected to aninternal or external Modem 520 or like device for communication with theNetwork 700. Alternatively, the Local Computer 500 may be connected viaan ISDN adapter and an ISDN line for communications with the Network700. The Modem 520 optionally allows for the establishment of voicecalls through software control.

The Local Computer 500 preferably also includes a Sound Device 530. TheLocal Computer 500 may also include a Local Storage Device 540 such as afloppy disk, CD-ROM or like device for local storage of the LocalAdvertisement Database 550.

The Local Computer 500 is preferably under the control of amulti-process operating system including a TCP/IP interface, and mostpreferably operated under the Microsoft® Windows-95 platform availablefrom Microsoft Corporation of Redmond, Wash. However, the presentinvention may be embodied on a variety of different platforms, includingMacintosh, UNIX, NextStep, MS-DOS, and the like.

b. Network

The Network 700 is preferably the World-Wide Internet. The World-WideInternet (“Internet”) is a world-wide network connecting thousands ofcomputer networks. The dominant protocol used for transmittinginformation between computers on the Internet is the TCP/IP NetworkProtocol. Computers connect to the Internet use either a fixedconnection, in which case they become a “permanent” node on theInternet, or a dial-up connection, in which case then act as a node onthe network as long as the connection is active. Internet addresses arethe numbering system used in TCP/IP communications to specify aparticular network or computer on the network with which to communicate.

The invention may also be practiced with commercial on-line servicessuch as America Online, available from America Online Inc., CompuServe,available from H&R Block Inc., Prodigy, available from Prodigy Services,Microsoft Network, available from Microsoft Corp., as well as other likeservices from a variety of companies such as AT&T Corporation and MCICommunications Corp.

c. Network Service Provider

The Network Service Provider 701 provides access to the Network 700.Commercial providers include: BBN, Netcom, and Prarienet.

d. Advertising System Server

The system preferably includes at least one Advertising System Server600. The main roles of the Advertising System Server 600 are to storeAdvertisements 50, transfer the Advertisements 50 to the Local Computer500, and collect user feedback. The Local Computer 500 will initiatecommunication with the Advertising System Server 600. Each user isassigned a unique user-ID which can not be changed by the user. Thisuser-ID is used by the Advertising System Server 600 to track eachuser's activity, including which Advertisements 50 have been downloadedto the user.

When the Local Computer 500 connects to the Advertising System Server600, the Local Computer 500 will upload the user's user-ID and theconfiguration and user preference information to the Advertising SystemServer 600. The Advertising System Server 600 uses this information toselect the next Advertisement 50 to be downloaded. The Local Computer500 also may directly request a specific advertisement through the useof a unique Advertisement-ID 55 assigned to each Advertisement 50. Iffeedback information has been collected it also will be uploaded whenthe Local Computer 500 connects to the Advertising System Service.

In an alternate embodiment of the present invention, the selectedadvertisement may be stored on any one of the plurality of advertisingsystem servers connected to the Network 700. In this embodiment, theLocal Computer 500 initiates communication with a predeterminedadvertising system server. The predetermined advertising system serverwill select the next Advertisement 50 to be downloaded and transmit thenetwork address of the advertising system server storing theAdvertisement 50. The Local Computer 500 uses the transmitted networkaddress to request the selected Advertisement 50 from the appropriateadvertising system server.

The Advertisements 50 stored on the Advertising System Server 600 may betranslatable to one or more natural languages. The Advertising SystemServer 600 will use each user's native language-ID to transmit theappropriate natural language version of the Advertisement 50.

2. Advertising System Server Software Architecture

a. Software Modules

FIG. 3 is a functional block diagram of a software architecture of theAdvertising System Server 600 embodying the invention.

The Local Computer 500 initially connects to the Connection Manager 710which is responsible for allocating an available Job Manager 720 andreturning its address to the agent. The Job Manager 720 then handles allfurther conversation with the Local Computer 500. As noted above, thearchitecture optionally allows for a plurality of advertising systemservers each running a plurality of Job Managers 720. Thus, the JobManager address returned to the Local Computer 500 may contain both theInternet address of the server and the process identification. The JobManager 720 identifies and authenticates the user-ID against the ServerDatabase 730.

The Job Manager 720 creates a Network Job 725 for each user itcommunicates with. Each Network Job 725 communicates with the LocalComputer 500 to select and download Advertisements 50; collect feedbackfrom the Local Computer 500; check the user's participation and anyawards from contests, etc.; and upgrades and installs the Local Computer500 software versions. The Network Job 725 is responsible for selectingthe next downloaded Advertisement 50 based on user configuration andpreference data as described herein.

Under most current network models, including the current implementationof the Internet, users are typically charged based on the amount of timethey are connected to specific resources on the network. Thus, thecurrent system of downloading advertisements and other information inthe background does not increase the cost to the user, as transmissionoccurs in background mode while the user is already connected to thenetwork Service Provider 701. Future implementations of these networks,however, may charge users based on the amount of information, or numberof network “packets” or other units of data, the user has received. Onsuch networks, the system should be able to track the amount ofinformation transmitted, such as by counting the number advertisements,advertisement resources, or network packets (also known as “datagrams”),frames, segments or other units of network data containingadvertisements. The Network Service Provider 701 may use thisinformation to charge the system generated transmissions to theadvertisers rather than the users. The Advertisement System Server 600,and most preferably the Network Job 725, will be responsible fortracking the amount of information transmitted by the system.Alternatively, the TCP/IP Polite Agent 280 or other software process onthe Local Computer 500 will track this information.

The Server Database 730 contains the system information, including: theAdvertisements 50 or other informational content; listings of users;listings of advertisers; listings of network service providers; billinginformation; audit logs and statistics. The Server Database 730 alsomaintains information on active connections and their activity. TheServer Database 730 is accessed through the Database Abstraction 740interface which provides a layer of interface for all modules on theAdvertising System Server 700.

In addition to providing Advertisements 50 and other informationalcontent to local computers, the Advertising System Server 600 alsoprovides various management services, such as billing information,viewing and gathering statistics on feedback information, andadvertisement display audit-logs which may be sorted according tovarious filters such as advertiser or advertising category. TheAdvertising System Server 700 includes various other softwareadministration tools for maintaining the system, including: a DatabaseFeeder 754 for modifying the Server Database 730; Monitoring Tools 752for viewing the activity of the system; Configuration Tools 751 formodifying the behavior of the system; and Reporting Tools 753 forcreating reports concerning the system.

b. Advertisement Records

FIG. 5 shows a schematic representation of an Advertisement 50. EachAdvertisement 50 in the Server Database 730 comprises an AdvertisementInformation Record 51 and a Resource List 52. The AdvertisementInformation Record 51 contains information identifying the advertisement(including the Advertisement-ID 55), its category, its size, and thehardware required to display the advertisement, such as sound boards,screen resolution and multimedia requirements. The Resource List 52contains a list of resources (bitmaps, animations, digitized audiosegments, executable code, etc.) that must exist on the Local Computer500 or associated local LAN in order to present the advertisement. TheResource List 52 includes a unique resource-ID, a resource type, and aresource pointer. The resource pointer identifies a file, a databaserecord, a block of data, or other means of identifying the resource. Inthis manner, resources can be shared by various Advertisements 50.

3. Local Computer Software Modules

a. Software Architecture

FIG. 4 is a functional block diagram of the software modules andprocesses of the software architecture for a preferred embodiment of theinvention on the Local Computer 500, including a User Interface SetupProcess 201, Advertisements Display Manager 210, Screen Saver Subsystem220, User Preference and Advertisements Database 230, Feedback Manager240, Advertisements Feeder 250, Internet Feedback 260, AdvertisementKiller 275, Scheduler 265, Internet Feeder 270, TCP/IP Polite Agent 280,TCP/IP Protocol Stack 290, and PPP-TCP/IP Over Modem Protocol 295.

The User Interface Setup Process 201 allows the user to configure thebehavior of the system on their desktops. The Advertising DisplayManager 210 is responsible for selecting and displaying Advertisements50 from the User Preference and Advertisements Database 230. TheAdvertisements Feeder 250 adds new Advertisements 50 to the UserPreference and Advertisements Database 230, while the AdvertisementKiller 275 purges old Advertisements 50. The Scheduler 265 schedules thedisplay of time dependent Advertisements 50, such as backgroundwallpaper, sound only advertisements, and cursor advertisements. TheFeedback Manager 240 sends user preferences, user statistics andfeedback information to the Advertising System Server 600. The TCP/IPProtocol Stack 290 and PPP-TCP/IP Over Modem Protocol Subsystem 295handle the lower level details of transferring information to theNetwork 700. The TCP/IP Polite Agent 280 is responsible for monitoringthe communications line utilization rate and transmitting data duringtimes of low communications line utilization.

b. Platform Implemented Functions

The Screen Saver Subsystem 220 tracks user interaction with the system.When the Screen Saver Subsystem 220 detects that the system has beenidle, for example, when there has been no user interaction with thecomputer (through the use of the keyboard, mouse, pointing device orother user input device), for a preconfigured time, it activates theAdvertisements Display Manager 210 which will select an advertisementand display it.

In prior systems, screen savers are graphically oriented displays whichappear after the computer has been idle for a predetermined period oftime. This change of display is primarily designed to prevent screen‘burn in’ on the monitor. Screen savers of the prior art are limited toone or more predefined content themes. By utilizing on-linecommunications, the screen saver of the present invention provides awide variety of potential content themes which may be personalized andmodified on a timely basis in accordance with user preferences.

The general mechanisms for implementing the Screen Saver Subsystem 220are known in the art. In the preferred embodiment, the Windows-95operating system monitors user input and calls a preconfigured modulewhen the user has not entered input for a predetermined period. In thepreferred embodiment, this module is the Advertisements Display Manager210. The Screen Saver Subsystem 220 is further described in Microsoft'sWindows-95 Software Development Kit, including: WIN 32 Overview andreference manuals (chapter 79—Screen Saver Library), available fromMicrosoft Corp., which is hereby incorporated by reference. On otherplatforms which do not provide similar functionality, the AdvertisementsDisplay Manager 210 itself must monitor for idle time.

The general mechanisms and protocols for communicating with a network,such as the Internet, or on-line service, are known in the art. See,e.g., Stallings, W., Data and Computer Communications, Second Edition,Macmillan Publishing Co., (1988). The preferred embodiment utilizes theTCP/IP protocol (Transport Control Protocol/Internet Protocol) which isalso well known in the art. See, e.g., Martin J., TCP/IP Networking, PTRPrentice Hall (1994). The disclosure of each of the foregoing is herebyincorporated by reference. Methods of implementing these functions onother platforms are known to those of ordinary skill in the art.

The TCP/IP Protocol Stack 290 is a set of programs that mediate betweenapplication programs and the physical communication line. The TCP/IPProtocol Stack 290 provides application programs with a standard set offunction calls for communicating with other application programsconnected to the Network 700. Thus the application programs, here theTCP/IP Polite Agent 280, do not have to account for the nature of thephysical communication line or error correction.

The PPP-TCP/IP Over Modem Protocol 295 module provides the ability touse the TCP/IP protocol over a specific type of physical communicationline, i.e. a pair of modems connected over a telephone line. In thepreferred embodiment, the functions of the TCP/IP Protocol Stack 290 andPPP-TCP/IP Over Modem Protocol 295 are implemented within the Windows-95platform and are accessed from the TCP/IP Polite Agent 280 via systemcalls. See Microsoft Windows Socket Specifications (rev. 1.1), thedisclosure of which is hereby incorporated by reference. Methods ofimplementing these functions on other platforms are known to those ofordinary skill in the art.

c. User Preference and Advertisement Database

The User Preference and Advertisement Database 230 contains variousinformation needed by the system. The primary data stored is theadvertisement information (including executable code modules, bitmaps,video clips and sound clips). The database also stores displaystatistics, configuration information and user preference data.

Typically, the User Preference and Advertisement Database 230 is locatedon the Mass Storage Device 516, however, in LAN installations, the UserPreference and Advertisement Database 230 may be stored on a LAN server.This optimizes storage for the system, since an Advertisement 50 needsto be loaded on the LAN only once and is available for display by eachworkstation on the LAN.

The User Preference and Advertisement Database 230 is preferablyaccessed through a well-defined Application Programmer's Interface(API), as is known in the art. In the preferred embodiment, this may bean OLE2 compound file or other database means supplied by third-partysoftware vendors. Thus, the location of the User Preference andAdvertisement Database 230 will be transparent to the other processes.

d. User Interface Setup

The User Interface Setup Process 201 allows the user to configure thebehavior of the system. This process allows the user to input and viewpreferences as to advertising categories, as well as local computerconfiguration data.

Local configuration data typically includes:

a) The Advertising System Server 600 Internet name or Internet address.

b) The amount of disk space on the Local Computer 200 or LAN which maybe allocated to the advertising system.

c) The length of time an advertisement should be stored before it isdeleted from the Local Computer 200.

d) The overhead which may be caused by the advertisement transferprocess, including the communications line threshold.

e) Screen saver delay time.

f) Whether feedback information may be sent to the Network 700.

User preference information typically includes:

a) Listings of advertisement categories which are to be given highpriority, and those categories which are to be banned from beingdownloaded or displayed. Typical advertisement categories are “SCUBAdiving equipment,” “Fast food vendors,” “Toys for ages 8-14,” or“Cigarettes” and the like. The actual list of categories will beprovided by the Advertising System Server 600.

b) Time periods during which sound-only advertisement are to be played.

c) Whether wallpaper or cursor advertisements are allowed.

d) Whether animation is allowed.

e) Time periods and types of foreground activities during whichadvertisements and feedback information may be transmitted.

f) Identification of the user's natural language.

Additionally the User Preference and Advertisement Database 230 storesinformation on the Local Computer's 200 platform capabilities, such assound boards, server resolution and multi-media capabilities.

The Advertisement Feeder 250 will incorporate the advertising preferenceinformation, the Local Computer's platform capabilities, disk spacelimitations, and other configuration data into its request for newadvertisements. The Advertising System Server 600 uses this informationin selecting the next advertisement to be transmitted. The userpreference and configuration data may alternatively be stored on theAdvertising System Server 600.

The Job Manager 720 on the Network Server 600 matches the userpreferences and configuration data against the category information forthe available Advertisements 50. Advertisements 50 matching the user'shigh priority categories and platform capabilities are selected fordownloading. Lower priority matches are also selected occasionally on apseudo-random basis, such that Advertisements 50 within the user's highpriority categories will have higher probabilities of being downloaded.The system also allows for increasing the probability of downloadingparticular advertisements 50. This allows advertisers to pay increasedrates to distribute advertisements faster and to a wider range of users.

User's preferably enter their preferences using whatever interfaces aremost natural for the underlying platform. In the preferred embodiment,the user enters information through standard Windows-92 dialog boxes.

In one embodiment of the invention, the Advertising Display Manager 210allows users to respond to Advertisements 50 being presented byselecting a user grading box which allows users to judge theAdvertisements 50 on a scale from “do not show me this advertisementagain” to “excellent.” This information may be used to modify the userpreferences, and may also be incorporated into user feedback informationand sent to the Advertising System Server 600 for use by theadvertisers.

The User Interface Setup Process 201 also allows users to browse throughAdvertisements 50 stored on their local system (hard disk or local LANnetwork), as well as those Advertisements 50 available from the Network700. For Advertisements 50 stored locally, whether downloaded from theNetwork 700 to the User Preference and Advertisement Database 230 oravailable on a Local Advertisement Database 550 stored on floppy disk,CD-ROM or like device, the User Interface Setup Process 201 displays amenu with the available Advertisements 50. Each Advertisement 50 storedon the Network 700 or Local Advertisement Database 550 may optionallyinclude a preview segment. The user may have the system present thepreview of the Advertisement 50 such as a still image, a short animationsequence, or a sound clip. The user may then select the particularadvertisement to be displayed. For Advertisements stored on the Network700, the Advertising System Server 600 will transmit a list of availableAdvertisements 50. Users may also disable specific advertisements, orall advertisements of a specific advertiser from being transmitted tothe Local Computer 500 or displayed.

e. Advertisement Display Manager

The Advertisement Display Manager 210 selects and displaysAdvertisements 50 from the User Preference and Advertisements Database230. The Advertisement Display Manager 210 is typically activated by theScreen Saver Subsystem 220 when the user has not entered input for apredetermined time, or from the Scheduler 265. Alternatively, the usermay directly access the Advertisement Display Manager 210 from theplatform, such as through selecting an icon or other common method.

The Advertisement Display Manager 210 will display the collection ofbitmaps, animation, and sound clips associated with the Advertisement50. FIG. 8 shows a flowchart of a preferred method of an AdvertisementDisplay Manager 210 in accordance with the principles of the presentinvention. The Advertisement Display Manager 210 is typically called byeither the Screen Saver Subsystem 220 to display a screen saver typeadvertisement after the system has been idle for a predefined period orby the Scheduler 265 to modify the background wallpaper or present asound-only type advertisement on a periodic basis. The AdvertisementDisplay Manager 210 selects and presents the next Advertisement 50 ofthe specified type to be presented from the User Preference andAdvertisements Database 230.

In the preferred embodiment, the display and other presentationcapabilities for each advertisement are self-contained within theAdvertisement 50 itself. In this manner the Advertisement DisplayManager 210 can support a virtually unlimited number of presentationtechniques. The code needed for presenting the advertisement such as adigital sound or video decoder or animation file player, is a resourceavailable from the Resource List 52 within the Advertisement structure50. The resource may exist in a number of forms such as executable orinterpreted code or scripting code such as that used in Hot Java,available from Starwave Corp. When the resource consists of interpretedor scripted code, the interpreter itself becomes an additional resourcewhich must be made available to the Local Computer. If necessary, theAdvertisement Feeder 250 will download this resource to the LocalComputer 500, using the same techniques as used to download otheradvertisement data.

Many platforms, including the preferred Windows-95 platform, include amulti-media subsystem that provides APIs for playing animation, soundclips, video clips, etc. See Win32 Programmer's Reference Manual, herebyincorporated by reference. Alternatively, there are a wide variety ofstand-alone tools suitable for providing such functions on Windows,Macintosh and other platforms.

In the preferred embodiment, each Advertisement 50 will include a small.DLL with an entry point with a pre-defined name. This entry point willbe called by the Advertisement Display Manager 210 in order to displaythe Advertisement 50. The advertisement entry point is specific for eachAdvertisement 50. When the advertisement entry point is called, theparticular code needed to present the given Advertisement 50 will beexecuted.

User interaction with the Advertisement Display Manager 210 ispreferably initiated by pressing a predesignated key, for example F10.When the Advertisement Display Manager 210 is active, all user input isrouted directly to the Advertisement Display Manager 210, thus allowingfor user interaction with Advertisements 50. The Advertisement DisplayManager 210 selectively forwards certain keys to the default operatingsystem routine, which will typically terminate the Advertisement DisplayManager 210. The user may interact with the Advertisement DisplayManager 210 through a number of ways, including answering questioners,initiating a WEB browser to connect directly to an advertiser WEB pageon the Network 700, or automatically initiating a voice connectionthrough the Modem 520 to the advertiser.

Additional aspects of the present invention utilize a variety oftechniques for presenting the Advertisements 50. These techniquesinclude displaying advertising as the background “wallpaper” of thedisplay or modifying the cursor to include an advertiser's logo or othersymbol. Additionally, small advertising logos or other advertisingcontent may be placed on the Display Device 513 either at a fixedlocation on the Display Device 513 or fixed relative to user displaywindows such that when the user display window is moved on the displaythe advertisement will move with the window. In the preferred Windows-95environment, these functions are performed through system calls asdescribed in the Win32 Programmer's Reference Manual, available fromMicrosoft.

An additional presentation technique is the use of sound-onlyadvertising. The Advertisement Display Manager 210 will make use of aSound Device 530 on the Local Computer 200. Any sound devices supportedby the platform are suitable. In the preferred embodiment, this includesthe Sound Blaster card, available from Creative Labs.

f. Scheduler

The Scheduler 265 keeps track of the list of timing-dependentoperations. When the time comes to execute a timing-dependentAdvertisement 50, as for example changing the wallpaper or playing asound-only Advertisement 50, the Scheduler 265 notifies the AdvertisingDisplay Manager 210, which performs the required action.

g. Advertisements Feeder

The Advertisement Feeder 250, is responsible for adding newAdvertisements 50 to the User Preference and Advertisement Database 230.Advertisements 50 preferably are provided from the Internet through theInternet Feeder 270, however, the Advertisements Feeder 250 is notdependent on the type of advertisement source and may receiveAdvertisements 50 from other sources, such as commercial on-lineservices, via other feeder mechanisms and other types of polite agents,as shown by references 271 and 272, respectively, in FIG. 4.

FIG. 9 shows a flow chart of a preferred embodiment of an AdvertisementFeeder 250 constructed in accordance with the invention.

To download a new Advertisement 50, the Advertisement Feeder 250 firstcreates a Polite Agent Job 285 to request the Advertising System Server600 to select the next advertisement for downloading (step 251). TheAdvertising System Server 600 selects the next Advertisement 50 to betransferred based on the individual user's preferences and configurationand pricing parameters attached to each Advertisement 50. TheAdvertising System Server 600 sends the Resource List 52, such asexecutable code modules, bitmaps, animation, sound clips, scriptingsystems, etc., that the Advertisement 50 needs in order to be presented.The Advertisement Feeder 250 queries the User Preference andAdvertisement Database 230 and determines which resources are alreadyavailable locally, i.e. on the user's PC or LAN. The AdvertisementFeeder 250 creates a Polite Agent Job 285 for each resource not in theUser Preference and Advertisement Database 230, requesting theAdvertising System Server 600 to download only the necessary resources(steps 252, 254). Once the resources have been downloaded, theAdvertisement Feeder 250 adds the Advertisement 50 to the UserPreference and Advertisement Database 230 (step 253).

An important part of the functionality of the client system is theability to resume the transfer of an Advertisement 50 which had beenonly partially transferred during the previous connection., i.e. theclient system is preferably able to re-establish transmission of a fileafter a break in the Communications Link 703. Preferably, the clientsystem will resume transmission from the point in the file at whichcommunications was broken off. In the preferred embodiment, thisfunctionality is implemented within the TCP/IP Polite Agent 280 and eachPolite Agent Job 285.

h. Advertisement Killer

The Advertisement Killer 275 periodically scans the User Preference andAdvertisements Database 230, and purges Advertisements 50 that satisfyits purge criteria. Typical criterion include the total time theadvertisement has been stored and the number of times displayed.Additionally, Advertisements 50 are purged on user demand through userinteraction with the Advertisements 50 or the User Interface SetupProcess 201.

i. Feedback Manager

The Feedback Manager 220 is responsible for sending feedback informationto the Advertising System Server 600. This information includesstatistics on displayed Advertisements 50, including user ratings ofspecific advertisements and the time and length an advertisement wasdisplayed. The Feedback Manager 220 also transmits information which wasgathered from the user during interaction with the Advertisements 50,such as through games and questionnaires. This feedback information maybe used as a basis for calculating the advertiser's charge.

j. Polite Agent Technology

The system incorporates a type of intelligent software agent technologyreferred to herein as a “Polite Agent.” The role of the Polite Agent isto perform communication tasks in the background without imposing anoticeable overhead on the user. FIG. 6 illustrates the preferredembodiment of the TCP/IP Polite Agent 280 utilizing the TCP/IP protocol.The TCP/IP Polite Agent 280 transmits information during periods of lowline utilization without causing a noticeable slowdown in the datatransfer rate of other processes communicating over the CommunicationsLink 703. The TCP/IP Polite Agent 280 constantly monitors communicationsstatus and determines periods of low communication line utilization. Itthen uses the TCP/IP communications resources, available on theplatform, to transfer a portion of the data. Preferably, the agent doesnot initiate the communication itself, but rather takes advantage ofcommunications resources once the initial Communications Link 703 withthe Network Service Provider 701 has been established, thus avoidingadditional user charges.

If the communications resource utilization remains low and ampleresources are available the software agent performs its designated datatransfer task. Alternatively, if communications resource utilizationbecomes high due to other applications executing on the Local Computer500 or the Communications Link 703 is disconnected (e.g., the line goesdown), the TCP/IP Polite Agent 280 temporarily suspends its datatransfer operation until ample resources are available once again. Atthat point, the TCP/IP Polite Agent 280 recovers the data transferprocess from the point where the transfer was suspended, therebyavoiding the need to retransmit data.

Low line utilization occurs when the communications line is busy no morethan a predetermined percentage of time. This threshold may be fixed(typically at 30%) user-configurable, or dynamic. When dynamicallydetermined, the threshold may vary with a number of parameters such asthe length of time the TCP/IP Polite Agent 280 has been waiting totransmit, the number or type of Polite Agent Jobs 285 on the PoliteAgent Queue 286, the amount of data which the TCP/IP Polite Agent wishesto transfer, and the type of data being transferred.

Neither the Advertisement Feeder 250 nor the Feedback Manager 240,directly perform data transfer. Instead, they place Polite Agent Jobs285 in the Polite Agent Queue 286 which will be called by the TCP/IPPolite Agent 280 when appropriate. The Polite Agent Jobs 285 perform theactual data transfer.

In the preferred embodiment of the invention, the target operatingsystem will be Microsoft Windows-95 utilizing a TCP/IP protocol.Extension of these operations for different protocols or operatingsystems will be apparent to those of ordinary skill in the art.

In step A (41) of the TCP/IP Polite Agent process 280, a check is madeto see if the Communication Link 703 has been established. This can bedone in various ways known to those skilled in the art. A preferredmethod is to “ping” (send a packet to and receive a response from) theAdvertising System Server 600. See, e.g., J. Martin, TCP/IP Networking,PTR Prentice Hall Inc. (1994) (pages 147-48), the disclosure of which ishereby incorporated by reference. An alternative method is to “ping” theNetwork Service Provider 701.

In step B (42), the line utilization threshold is calculated. As notedabove, this calculation may vary in different embodiments of the presentinvention. Thus, the line utilization may be fixed, user-configurable ordynamic. The threshold calculation also preferably takes into accountthe load caused by communication generated by the Polite Agent Jobs 285themselves. This prevents the TCP/IP Polite Agent from not transmittingwhen the Communications Link 703 is busy primarily due to its owncommunications.

In step C (43), the current communication line utilization is obtained.For TCP/IP under Windows-95, statistical information regarding thecommunication line utilization is available from the operating system,including such information as bytes/second. In the preferred embodiment,this sampling does not impose a significant overhead on the system andtherefore does not cause any noticeable degradation of foregroundprocesses.

In step D (44), the current communications line utilization is compared.to the calculated threshold. If the current utilization is higher thanthe calculated threshold, the TCP/IP Polite Agent 280 will not performcommunication and will return to step A. At this point the TCP/IP PoliteAgent 280 may be temporarily suspended by the operating system.

In step E (45), the next Polite Agent Job 285 to be executed isselected. Several Polite Agent Jobs 285 can be pending on the PoliteAgent Queue 286. The TCP/IP Polite Agent 280 will alternate between thePolite Agent Jobs 285 preferably on a round-robin schedule allowing allof the Polite Agent Jobs 285 to execute in turn.

In step F (46), the Polite Agent Job 285 is executed. The Polite AgentJobs 285 are designed in such way that they generate a small amount ofcommunication, for example sending 1K of information, each time they areexecuted.

FIG. 7 shows a flow chart for a Polite Agent Job 285 embodying thepresent invention for transmitting data to the Network 700. The PoliteAgent Job 285 first checks (step A) to see whether this is the firsttime the job has been called by the TCP/IP Polite Agent 280. If it isthe first time the job has been called, the current file position isinitialized to the beginning of the file (step B). The file to betransferred is then opened (step C). If the file open is unsuccessful,the Polite Agent Job 285 returns an ERROR flag to the calling TCP/IPPolite Agent 280 which then terminates the Polite Agent Job 285, removesit from the Polite Agent Queue 286 and marks the job as terminated witherror (steps D, E). If the file opens without error, the Polite AgentJob 285 seeks to the current file position in the transferring file andreads the next block of data (steps F, G, H). If no data is left to beread (end of file condition), the Polite Agent Job 285 closes the fileand returns a DONE flag to the TCP/IP Polite Agent 280 which terminatesthe job and marks the Polite Agent Job 285 as completed successfully(steps I, J). If data was successfully read from the transferring file,the Polite Agent Job 285 transmits the name of the file, file positionand file block contents to the Network 700 via the TCP/IP Protocol Stack290 (steps I, K). The Polite Agent Job 285 then updates the current fileposition and stores it on persistent storage, such as the LocalComputer's Mass Storage Device 516 (step L). Finally, the Polite AgentJob 285 closes the transfer file and returns a flag asking the TCP/IPPolite Agent 280 to again schedule and execute this job again.

It will be obvious to one of ordinary skill in the art how to modify theabove type of Polite Agent Job 285 for other types of tasks, such asreceiving files. The TCP/IP Polite Agent 280 is capable of transferringany type of information file including, executable code, digitized audioor video, and text, for a variety of types of content such asadvertisements, news, or weather, etc. The information file transmittedby the Polite Agent Job 285 may consist of a true file type supported bythe platform, or, alternatively, any block of data such as a databaserecord.

In one variation of the present invention, the Polite Agent Job 285receives as an input the current communication line utilization and aline utilization threshold value. The Polite Agent Job 285 uses thisthreshold to calibrate its operation by calculating how many networkpackets, bytes, or other units of data may be transferred withoutincreasing the load beyond the line utilization threshold value.

One of the most common types of Polite Agent Jobs 285, is afile-transfer task. Each time the file-transfer task is run it will send(or receive) a small portion of the file, typically between 0.5-K.

Part of the information collected by the present invention may besensitive in nature, for example, a user's responses to advertisingcontests may need to be authenticated to prevent fraudulent responses.The system will use known methods such as public key encryption anddigital signatures in order to authenticate the information sent by theLocal Computer 500. These methods are well known to those in the art.

The technology of the Polite Agent is general and may be applied inother systems and to the transmission of other types of informationcontent such as news and weather, sports scores and stock quotes,software support information and executable updates, and airlinesreservations information.

4. Locally Stored Advertisement Database

FIG. 10 shows a variation of the present invention in which a pluralityof Advertisements 50 are stored locally to the Local Computer 500 in aLocal Advertisement Database 550 on the Local Storage Device 540 or LAN.In this embodiment, the Advertisements 50 are not downloaded from theAdvertising System Server 600, but rather are selected from the LocalAdvertisement Database 550. The Advertisements Feeder 250 selectsAdvertisements 50 for presentation on the Local Computer 500 from theLocal Advertisement Database 550. In this embodiment, the AdvertisementsFeeder 250 includes the selection functionality described for theNetwork Job 725 above. Selected Advertisements 50 are loaded into theUser Preference and Advertisement Database 230 for display as describedabove.

It is understood that various other modifications will be apparent toand can be readily made by those skilled in the art without departingfrom the scope and spirit of the present invention. Accordingly, it isnot intended that the scope of the claims be limited to the descriptionor illustrations set forth herein, but rather that the claims beconstrued as encompassing all features of patentable novelty that residein the present invention, including all features that would be treatedas equivalents by those skilled in the art.

What is claimed is:
 1. A method for transmitting data between a computerand a computer network coupled by a communications link, said computerand said computer network including Internet Protocol (IP) communicationresources for providing an IP connection between said computer and saidcomputer network, said IP connection configured to provide fornon-blocking virtually simultaneous transmission of data for at leastone higher priority processes whereby transmission of data by saidhigher priority processes results in slower throughput for each of saidhigher priority processes transmitting at the same time, said method fortransmitting data comprising the steps of: (a) determining a currentcommunication line utilization rate for the IP connection until thecurrent communication line utilization rate is below a line utilizationthreshold, the threshold providing for a predetermined maximum amount ofdelay to said higher priority processes transmitting data over said IPconnection, said communication line utilization rate being a function ofthe rate of data being transferred in at least one direction across saidIP connection; (b) transmitting a portion of data between the computernetwork and the computer via the IP connection; (c) tracking theremaining untransmitted portion of the data; and (d) repeating steps(a)-(c) until the data has been transferred.
 2. The method fortransmitting data of claim 1 wherein the communications line utilizationrate of step (a) is a function of the amount of data being transmittedby said higher priority processes, data transmitted by said method fortransmitting data does not affect said communication line utilizationrate.
 3. The method for transmitting data of claim 2 wherein the lineutilization threshold of step (a) is set to zero.
 4. The method fortransmitting data of claim 1 wherein the line utilization threshold ofstep (a) is varied.
 5. The method for transmitting data of claim 1wherein the line utilization threshold of step (a) is varied inaccordance with the length of time which has elapsed while waiting forthe current communication line utilization to fall below the lineutilization threshold.
 6. A method for transmitting data between acomputer and a computer network coupled by a communications link, saidcomputer and said computer network including Internet Protocol (IP)communication resources for providing an IP connection between saidcomputer and said computer network, said IP connection configured toprovide for non-blocking virtually simultaneous transmission of data forat least one higher priority processes whereby transmission of data bysaid higher priority processes results in slower throughput for each ofsaid higher priority processes transmitting at the same time, saidmethod for transmitting data comprising the steps of: (a) determining acurrent communication line utilization rate for the IP connection untilthe current communication line utilization rate is below a lineutilization threshold, the threshold providing for a predeterminedmaximum amount of delay to said higher priority processes transmittingdata over said IP connection, said communication line utilization ratebeing a function of the rate of data being transferred in at least onedirection across said IP connection; (b) transmitting a portion of databetween the computer network and the computer via the IP connection; (c)tracking the remaining untransmitted portion of the data; (d) repeatingsteps (a)-(c) until the data has been transferred; and (e) tracking theamount of information transmitted in step (b), the tracked amount ofinformation transmitted is used to adjust a user's charge for accessingthe computer network.
 7. A process for transmitting data between acomputer and a computer network coupled by a communications link, saidcommunications link further configured to transmit data for one or morehigher priority processes, said process for transmitting data comprisingthe steps of: (a) determining a current communication line utilizationrate for data transmitted by said higher priority processes over thecommunications link until the current communication line utilizationrate is below a line utilization threshold; (b) transmitting a portionof data between the computer network and the computer; (c) tracking aremaining untransmitted portion of the data; and (d) repeating steps(a)-(c) until the data has been transferred.
 8. A system for downloadingadvertisement items from a remote network to a local computer, saidsystem comprising: one or more primary applications processescommunicating between said local computer and said remote network; atwo-way communications link coupling said remote network and said localcomputer, said communications link configured to transmit data betweensaid remote network and said local computer for a plurality ofprocesses, including said one or more primary applications processes,said communications link having a line utilization rate being a functionof the amount of data currently transmitted by said one or more primaryapplications processes; a database containing user preferenceinformation; an IP network service provider coupling said local computerto said remote network, said network service provider providing two-waycommunication between said remote network and said local computer; anadvertisement system server coupled to said remote network, saidadvertisement system server containing a plurality of advertisementitems; and a software agent, said software agent initiating the transferof said advertisement items from said advertisement system server tosaid local computer while said communications link line utilization isbelow a threshold value.
 9. The system for downloading advertisementitems of claim 8 further comprising: a means for tracking the amount ofinformation transmitted between said advertisement system server andsaid local computer, said amount of information transmitted is used toadjust a user's charge for accessing the remote network.
 10. The systemfor downloading advertisement items of claim 8 further comprising: ameans for inputting user preference information; and a means forselecting a plurality of selected advertisement items from saidplurality of advertisement items stored on said advertisement systemserver, said means for selecting a plurality of selected advertisementitems utilizing said input user preference information, said softwareagent configured to transmit said selected plurality of selectedadvertisement items to said local computer.
 11. The system fordownloading advertisement items of claim 8 wherein said means forselecting a plurality of selected advertisement items is a softwareprocess executing on said advertisement system server.
 12. A process fortransmitting data between a client computer and a server computercoupled by a communications link on a computer network, saidcommunications link configured to transmit data for one or more higherpriority processes, said process for transmitting data comprising thesteps of: (a) monitoring the amount of data transmitted by said higherpriority processes to calculate a current communication line utilizationrate for said communications link, said calculation excluding data beingtransmitted by said processes for transmitting data; (b) comparing saidcommunication line utilization rate to one or more preestablishedvalues; (c) calibrating the amount of data to be transmitted based onsaid comparison of said communication line utilization to said one ormore preestablished values; (d) transmitting said calibrated amount ofdata; and (e) repeating steps (a)-(d) until the data has beentransferred.
 13. The process of claim 12 further comprising the step of:monitoring the communication link until the communication link couplingthe first computer and second computer has been established.
 14. Theprocess of claim 12 wherein said data comprises executable code.
 15. Theprocess of claim 12 wherein said step (a) of monitoring thecommunications line utilization comprises the step of sampling the lineutilization.
 16. The method for transmitting data of claim 12 whereinsaid one or more preestablished values of steps (b) and (c) are variedwith the length of time the process has been transmitting.
 17. A processfor transmitting data between a client computer and a server computercoupled by a communications link, said communications link beingconfigured to transmit data for one or more higher priority processes,said process comprising the steps of: (a) monitoring data transmitted bysaid high priority processes to determine a communication lineutilization rate for said communications link; (b) utilizing saidmonitored line utilization rate to determine whether to transmit data ina current iteration of said process; (c) if said determination of step(b) indicates data should be transmitted in the current iteration ofsaid process, transmitting a portion of the data; and (d) repeatingsteps (a)-(c) for a new iteration until the data has been transmitted.18. A process for transmitting data between a server computer and alocal computer, said local computer coupled to said server computer by acommunications link on a computer network, said communication linkfurther configured to transmit data for one or more high priorityprocesses, said communication link providing a plurality of logicalconnections allowing said process and said high priority processes tocontemporaneously transmit information, said process comprising thesteps of: (a) monitoring whether said one or more high priorityprocesses are transmitting data over said plurality of logicalconnections; (b) if no high priority process is transmitting data oversaid plurality of logical connections, transmitting a portion of saiddata via said communication link; and (c) repeating steps (a) and (b)until said data has been transferred.
 19. A method for transmitting afile between a local computer and a remote computer, said local computerand remote computer coupled by a communication link having a currentcommunication link usage rate, the method comprising the steps of: (a)determining a communications status for said local computer, saidcommunications status related to said current communications link usagerate; (b) transmitting a portion of said file over said communicationlink when the said communications status is beyond a threshold level;(c) tracking a remaining untransmitted portion of the file, saidtracking providing tracking information for said remaining untransmittedportion of the file; (d) storing said tracking information indicatingthe last transmitted portion of said file; and (e) repeating steps(a)-(d) to transmit data from the last transmitted portion of said fileafter any intervening breaks in said communication link or breaks in theavailability of said local computer until the file has been transferred.20. A method for controlling the transmission of data between a localcomputer and a remote computer, the local computer and remote computercoupled by a communication link having a current utilization rate, themethod comprising: (a) transmitting a portion of said file over saidcommunication link when the said communications link current utilizationrate is below a threshold level; (b) tracking the remaininguntransmitted portion of the file, said tracking providing trackinginformation for any remaining untransmitted portion of the file; (c)storing said tracking information indicating the last transmittedportion of said file; and (d) repeating steps (a)-(c) to transmit datafrom the last transmitted portion of said file after any interveningbreaks in said communications link or breaks in the availability of saidlocal computer until the file has been transferred.
 21. A method forcontrolling the transmission of data between a local computer and aremote computer, the local computer and remote computer coupled by acommunication link, the communication link having a current utilizationrate, the method comprising: providing an indicator signal having atleast a first state and a second state; allowing the transmission ofdata on said communication link when said indicator signal is in thefirst state; preventing the transmission of data on said communicationlink when said indicator signal is in the second state; and moving theindicator signal between said states in response the predeterminedconditions associated with said communications link, said indicatorsignal being in said second state when the current utilization rate forthe communication link is above a predetermined threshold.
 22. A processfor transmitting a file between a local computer and a remotely locatedcomputer network coupled by a communication link, said process fortransmitting a file comprising the steps of: (a) monitoring thecommunication link until the communication link coupling the localcomputer and the remote network has been established; (b) determining acurrent communication line utilization rate for the communication linkuntil the current communication line utilization rate is below apreestablished line utilization threshold; (c) transmitting a portion ofthe remaining file between the network and the local computer inresponse to the current communication line utilization rate below thepreestablished threshold; (d) tracking the remaining untransmittedportion of the file, said tracking providing tracking information forany remaining untransmitted portion of the file; (e) storing saidtracking information indicating the last transmitted portion of saidfile, said tracking information being stored in persistent memory; and(f) repeating steps (a)-(e) until the file has been transferred.